CORE
The UK search engine CORE collects a huge number of articles from OA repositories and…
Beall’s list of predatory journals
This is a list of potential predatory journals and publishers. It is based on the…
BASE
BASE (Bielefeld Academic Search Engine) is a search engine for the publication databases of about…
ArXiv
ArXiv is an electronic archive of preprints of scientific papers in mathematics, physics, computer science…
ARGOS
ARGOS is a web application developed by OpenAIRE iniciative. It is designed to build data…